<template>
  <div class="app-container">
    <!--查询表单-->
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="24">
            <el-form-item label="角色名称">
              <el-input style="width: 100%" v-model="searchObj.roleName" placeholder="角色名称"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex">
          <el-button type="primary" icon="el-icon-search" size="mini"  @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
        </el-row>
      </el-form>
    </div>

    <!-- 工具条 -->
    <div class="tools-div">
      <el-button type="success" icon="el-icon-plus" size="mini" @click="add">添 加</el-button>
      <el-button class="btn-add" size="mini" @click="batchRemove()" >批量删除</el-button>
    </div>

    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
      @selection-change="handleSelectionChange">

      <el-table-column type="selection"/>
      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="roleName" label="角色名称" />
      <el-table-column prop="roleCode" label="角色编码" />
      <el-table-column prop="createTime" label="创建时间" width="160"/>
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini" @click="edit(scope.row.id)" title="修改"/>
          <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeDataById(scope.row.id)" title="删除"/>
          <el-button type="warning" icon="el-icon-baseball" size="mini" @click="showAssignAuth(scope.row)" title="分配权限"/>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />

    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%" >
      <el-form ref="dataForm" :model="sysRole" label-width="150px" size="small" style="padding-right: 40px;">
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName"/>
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode"/>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small" icon="el-icon-refresh-right">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" @click="saveOrUpdate()" size="small">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
//引入定义接口的js文件
import api from "@/api/system/role";
export default {
  name: "list",
  data(){
    return {
      listLoading:false, //是否显示加载
      list:[],  //角色列表
      total:0,  //总记录数
      page:1,   //当前页
      limit:3,  //每页显示记录数
      searchObj:{},  //条件查询封装对象
      sysRole:{}, //封装添加表单的数据
      selectValue:[],  //复选框选择的内容

      dialogVisible:false, //弹出框
    }
  },
  //页面渲染之前执行
  created() {
    this.fetchData()
  },
  methods:{
    //跳转分配菜单权限
    showAssignAuth(row) {
      this.$router.push('/system/assignAuth?id='+row.id+'&roleName='+row.roleName);
    },
    //复选框发生变化，执行下面方法
    handleSelectionChange(selection){
      this.selectValue=selection
    },
    //批量删除
    batchRemove(){
      //判断
      if(this.selectValue.length===0){
        this.$message.warning('请选择要删除的记录！')
        return
      }
      this.$confirm('此操作将永久删除该角色, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => { // promise
        var idList=[]
        //获取多个复选框对应id，封装到数组里面
        for (let i = 0; i < this.selectValue.length; i++) {
          var obj=this.selectValue[i]
          //id值
          var id=obj.id
          //放到数组里面
          idList.push(id)
        }
        api.batchRemove(idList).then(response=>{
          this.$message({
            type:'success',
            message:'删除成功!'
          })
          //刷新页面
          this.fetchData()
        })
      })
    },
    //修改-数据回显
    edit(id){
      //弹出框
      this.dialogVisible=true
      api.getRoleId(id).then(response=>{
        this.sysRole=response.data
      })
    },
    //条件分页查询列表
    //pageNum 查询页数
    fetchData(pageNum=1){
      this.page=pageNum
      api.getPageList(this.page,this.limit,this.searchObj).then(response=>{
        this.listLoading=false
        //每页数据列表
        this.list=response.data.records
        //总记录数
        this.total=response.data.total
      })
    },
    //删除角色
    removeDataById(id) {
      alert(id)
      // debugger
      this.$confirm('此操作将永久删除该角色, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => { // promise
        api.removeId(id).then(response=>{
          this.$message({
            type:'success',
            message:'删除成功!'
          })
          //刷新页面
          this.fetchData()
        })
      })
    },
    add(){
      this.dialogVisible=true
      this.sysRole={}
    },
    saveOrUpdate(){ //判断添加还是修改
      if (!this.sysRole.id) {
        this.saveRole()
      } else {
        this.updateRole()
      }
    },
    //添加
    saveRole(){
      api.saveRole(this.sysRole).then(response => {
        //提示
        this.$message({
          type:'success',
          message:'添加成功!'
        })
        //关闭弹框
        this.dialogVisible = false
        //刷新页面
        this.fetchData()
      })
    },
    //更新
    updateRole(){
      api.update(this.sysRole).then(response=>{
        //提示
        this.$message({
          type:'success',
          message:'修改成功!'
        })
        //关闭弹框
        this.dialogVisible = false
        //刷新页面
        this.fetchData()
      })
    },
    //重置查询表单
    resetData(){
      this.searchObj = {}
      this.fetchData()
    }
  }
}
</script>

<style scoped>
.search-div {
  padding:10px;border: 1px solid #EBEEF5;border-radius:3px;
}
.tools-div {
  margin-top: 10px;padding:10px;border: 1px solid #EBEEF5;border-radius:3px;
}
</style>
